DENVER (April 25, 2013) – The route for the 2013 USA Pro Challenge professional cycling stage race, taking place Aug. 19-25 in Colorado, will take riders on a heart-pounding journey through the breathtaking Colorado Rockies. The largest spectator event in the history of the state, the USA Pro Challenge continues to set records in professional cycling history by taking the riders to unprecedented elevations. In 2012, with a lead change nearly every day, one of the closest professional races in U.S. history came down to the final moments of the Individual Time Trial in Denver, and this year’s route promises...